A 250 MHz shared-resource VLSI test system with high pin count and memory test capability

The authors describe a 250-MHz, 2048-pin, shared-resource VLSI test system which has timing accuracy up to 300 ps and a parallel algorithmic pattern generation system for embedded memory testing. A timing generation system which provides an effective deskewing scheme in a shared-resource tester is proposed. Parallel pattern generation for high-speed memory testing is introduced, and a conversion strategy for parallel programs is discussed.<
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